Kjetil Nørvåg

Orcid: 0000-0002-4250-9329

Affiliations:
  • Norwegian University of Science and Technology, Norway


According to our database1, Kjetil Nørvåg authored at least 173 papers between 1997 and 2024.

Collaborative distances:

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Dataset
Other 

Links

Online presence:

On csauthors.net:

Bibliography

2024
Efficient Semantic Similarity Search over Spatio-textual Data.
Proceedings of the Proceedings 27th International Conference on Extending Database Technology, 2024

2023
Decisive skyline queries for truly balancing multiple criteria.
Data Knowl. Eng., September, 2023

Diversification of Top-k Geosocial Queries.
Proceedings of the New Trends in Database and Information Systems, 2023

2022
Report on the 44th European Conference on Information Retrieval (ECIR 2022): The First Major Hybrid IR Conference.
SIGIR Forum, June, 2022

On Decisive Skyline Queries.
Proceedings of the Big Data Analytics and Knowledge Discovery, 2022

2021
Exploring Decomposition for Solving Pattern Mining Problems.
ACM Trans. Manag. Inf. Syst., 2021

Density Guarantee on Finding Multiple Subgraphs and Subtensors.
ACM Trans. Knowl. Discov. Data, 2021

Efficient top-<i>k</i> recently-frequent term querying over spatio-temporal textual streams.
Inf. Syst., 2021

2020
Space-time series clustering: Algorithms, taxonomy, and case study on urban smart cities.
Eng. Appl. Artif. Intell., 2020

The SPADES Framework for Scalable Management of Spatio-textual Data.
Proceedings of the PCI 2020: 24th Pan-Hellenic Conference on Informatics, 2020

Multiple Dense Subtensor Estimation with High Density Guarantee.
Proceedings of the 36th IEEE International Conference on Data Engineering, 2020

Diversifying Top-k Point-of-Interest Queries via Collective Social Reach.
Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

Fast and Accurate Group Outlier Detection for Trajectory Data.
Proceedings of the New Trends in Databases and Information Systems, 2020

2019
Towards efficiently mining closed high utility itemsets from incremental databases.
Knowl. Based Syst., 2019

Advances in Databases and Information Systems (ADBIS) 2016 & 2017.
Inf. Syst., 2019

Investigating and predicting online food recipe upload behavior.
Inf. Process. Manag., 2019

Locality-adapted kernel densities of term co-occurrences for location prediction of tweets.
Inf. Process. Manag., 2019

Highly Efficient Pattern Mining Based on Transaction Decomposition.
Proceedings of the 35th IEEE International Conference on Data Engineering, 2019

Sketching Streaming Histogram Elements using Multiple Weighted Factors.
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, 2019

2018
High utility drift detection in quantitative data streams.
Knowl. Based Syst., 2018

Applying temporal dependence to detect changes in streaming data.
Appl. Intell., 2018

Efficient high utility itemset mining using buffered utility-lists.
Appl. Intell., 2018

Locality-adapted Kernel Densities for Tweet Localization.
Proceedings of the 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, 2018

Spatial Statistics of Term Co-occurrences for Location Prediction of Tweets.
Proceedings of the Advances in Information Retrieval, 2018

On Validation and Predictability of Digital Badges' Influence on Individual Users.
Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2017
Exploratory product search using top-k join queries.
Inf. Syst., 2017

Determining Impact of Social Media Badges through Joint Clustering of Temporal Traces and User Features.
CoRR, 2017

Anticipating Information Needs Based on Check-in Activity.
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, 2017

Towards Building a Knowledge Base of Monetary Transactions from a News Collection.
Proceedings of the 2017 ACM/IEEE Joint Conference on Digital Libraries, 2017

2016
Introduction to the TPDL 2016 Doctoral Consortium.
Bull. IEEE Tech. Comm. Digit. Libr., 2016

FOODWEB - Studying Food Consumption and Production Patterns on the Web.
ERCIM News, 2016

Understanding and Predicting Online Food Recipe Production Patterns.
Proceedings of the 27th ACM Conference on Hypertext and Social Media, 2016

Top-k Dominating Queries, in Parallel, in Memory.
Proceedings of the 19th International Conference on Extending Database Technology, 2016

Online Food Recipe Title Semantics: Combining Nutrient Facts and Topics.
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, 2016

Efficient processing of top-k joins in MapReduce.
Proceedings of the 2016 IEEE International Conference on Big Data (IEEE BigData 2016), 2016

2015
Temporal Information Retrieval.
Found. Trends Inf. Retr., 2015

Temporal Patterns in Online Food Innovation.
Proceedings of the 24th International Conference on World Wide Web Companion, 2015

Temporality in Online Food Recipe Consumption and Production.
Proceedings of the 24th International Conference on World Wide Web Companion, 2015

Maximizing Influence of Spatio-Textual Objects Based on Keyword Selection.
Proceedings of the Advances in Spatial and Temporal Databases, 2015

Good Times Bad Times: A Study on Recency Effects in Collaborative Filtering for Social Tagging.
Proceedings of the 9th ACM Conference on Recommender Systems, 2015

Finding the Most Diverse Products using Preference Queries.
Proceedings of the 18th International Conference on Extending Database Technology, 2015

IR Game: How well do you Know Information Retrieval Papers?
Proceedings of the Second International Workshop on Gamification for Information Retrieval co-located with the 37th European Conference on Information Retrieval (ECIR 2015), 2015

Mining Correlations on Massive Bursty Time Series Collections.
Proceedings of the Database Systems for Advanced Applications, 2015

2014
A survey of large-scale analytical query processing in MapReduce.
VLDB J., 2014

Efficient processing of exploratory top-k joins.
Proceedings of the Conference on Scientific and Statistical Database Management, 2014

ExperTime: tracking expertise over time.
Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014

A burstiness-aware approach for document dating.
Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014

Temporal Expertise Profiling.
Proceedings of the Advances in Information Retrieval, 2014

APSkyline: Improved Skyline Computation for Multicore Architectures.
Proceedings of the Database Systems for Advanced Applications, 2014

2013
A Framework for Modeling, Computing and Presenting Time-Aware Recommendations.
Trans. Large Scale Data Knowl. Centered Syst., 2013

gRecs: Exploiting the Power of Data Mining Techniques for Efficient Computation of Group Recommendations.
ERCIM News, 2013

Discovering Influential Data Objects over Time.
Proceedings of the Advances in Spatial and Temporal Databases, 2013

Branch-and-bound algorithm for reverse top-k queries.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2013

Multi-step classification approaches to cumulative citation recommendation.
Proceedings of the Open research Areas in Information Retrieval, 2013

KBAAA: a web-based toolkit for the assessment and analysis of knowledge base acceleration systems.
Proceedings of the Open research Areas in Information Retrieval, 2013

On community detection in real-world networks and the importance of degree assortativity.
Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2013

Temporal Classifiers for Predicting the Expansion of Medical Subject Headings.
Proceedings of the Computational Linguistics and Intelligent Text Processing, 2013

A Framework for Grouping and Summarizing Keyword Search Results.
Proceedings of the Advances in Databases and Information Systems, 2013

2012
Peer-to-Peer Query Processing over Multidimensional Data.
Springer Briefs in Computer Science, Springer, ISBN: 978-1-4614-2110-8, 2012

Distributed top-k query processing by exploiting skyline summaries.
Distributed Parallel Databases, 2012

The SemSets model for ad-hoc semantic list search.
Proceedings of the 21st World Wide Web Conference 2012, 2012

Collection Ranking and Selection for Federated Entity Search.
Proceedings of the String Processing and Information Retrieval, 2012

Learning to select a time-aware retrieval model.
Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

A study of opinion mining and visualization of hotel reviews.
Proceedings of the 14th International Conference on Information Integration and Web-based Applications & Services, IIWAS '12, Bali, Indonesia, 2012

Processing of Rank Joins in Highly Distributed Systems.
Proceedings of the IEEE 28th International Conference on Data Engineering (ICDE 2012), 2012

Ranking Distributed Knowledge Repositories.
Proceedings of the Theory and Practice of Digital Libraries, 2012

Contextual Recommendations for Groups.
Proceedings of the Advances in Conceptual Modeling, 2012

Fast Group Recommendations by Applying User Clustering.
Proceedings of the Conceptual Modeling, 2012

Top-k spatial keyword queries on road networks.
Proceedings of the 15th International Conference on Extending Database Technology, 2012

When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics.
Proceedings of the Advances in Information Retrieval, 2012

On the Modeling of Entities for Ad-Hoc Entity Search in the Web of Data.
Proceedings of the Advances in Information Retrieval, 2012

A Framework for Time-Aware Recommendations.
Proceedings of the Database and Expert Systems Applications, 2012

gRecs: A Group Recommendation System Based on User Clustering.
Proceedings of the Database Systems for Advanced Applications, 2012

On saying "enough already!" in MapReduce.
Proceedings of the 1st International Workshop on Cloud Intelligence (colocated with VLDB 2012), 2012

SemaFor: semantic document indexing using semantic forests.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

Estimating query difficulty for news prediction retrieval.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

Learning to rank search results for time-sensitive queries.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

On the use of semantic knowledge bases for temporally-aware entity retrieval.
Proceedings of the Fifth workshop on Exploiting Semantic Annotations in Information Retrieval, 2012

2011
Monochromatic and Bichromatic Reverse Top-k Queries.
IEEE Trans. Knowl. Data Eng., 2011

A hybrid approach for estimating document frequencies in unstructured P2P networks.
Inf. Syst., 2011

Efficient Processing of Top-k Spatial Keyword Queries.
Proceedings of the Advances in Spatial and Temporal Databases, 2011

A comparison of time-aware ranking methods.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

Time-based query performance predictors.
Proceedings of the Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2011

Site-autonomous distributed semantic caching.
Proceedings of the 2011 ACM Symposium on Applied Computing (SAC), TaiChung, Taiwan, March 21, 2011

TRUMIT: A Tool to Support Large-Scale Mining of Text Association Rules.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2011

Monitoring reverse top-k queries over mobile devices.
Proceedings of the Tenth ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2011

Evaluation of Feature Combination Approaches for Text Categorisation.
Proceedings of the Foundations of Intelligent Systems - 19th International Symposium, 2011

How to Become a Group Leader? or Modeling Author Types Based on Graph Mining.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2011

Efficient execution plans for distributed skyline query processing.
Proceedings of the EDBT 2011, 2011

Combination of Feature Selection Methods for Text Categorisation.
Proceedings of the Advances in Information Retrieval, 2011

Efficient Distributed Top-<i>k</i> Query Processing with Caching.
Proceedings of the Database Systems for Advanced Applications, 2011

The DASCOSA-DB Grid Database System.
Proceedings of the Grid and Cloud Database Management, 2011

2010
Identifying the Most Influential Data Objects with Reverse Top-k Queries.
Proc. VLDB Endow., 2010

Efficient Processing of Top-k Spatial Preference Queries.
Proc. VLDB Endow., 2010

Efficient search based on content similarity over self-organizing P2P networks.
Peer-to-Peer Netw. Appl., 2010

DYFRAM: dynamic fragmentation and replica management in distributed database systems.
Distributed Parallel Databases, 2010

Fast Detection of Size-Constrained Communities in Large Networks.
Proceedings of the Web Information Systems Engineering - WISE 2010, 2010

QUEST: Query Expansion Using Synonyms over Time.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2010

Exploiting time-based synonyms in searching document archives.
Proceedings of the 2010 Joint International Conference on Digital Libraries, 2010

K-AP: Generating Specified K Clusters by Efficient Affinity Propagation.
Proceedings of the ICDM 2010, 2010

Reverse top-k queries.
Proceedings of the 26th International Conference on Data Engineering, 2010

Determining Time of Queries for Re-ranking Search Results.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2010

SGDB - Simple Graph Database Optimized for Activation Spreading Computation.
Proceedings of the Database Systems for Advanced Applications, 2010

SemanticRank: Ranking Keywords and Sentences Using Semantic Graphs.
Proceedings of the COLING 2010, 2010

On the selectivity of multidimensional routing indices.
Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

WikiPop: personalized event detection system based on Wikipedia page view statistics.
Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

An Experimental Study on Unsupervised Graph-based Word Sense Disambiguation.
Proceedings of the Computational Linguistics and Intelligent Text Processing, 2010

Learning to Find Interesting Connections in Wikipedia.
Proceedings of the Advances in Web Technologies and Applications, 2010

Extracting Named Entities and Synonyms from Wikipedia.
Proceedings of the 24th IEEE International Conference on Advanced Information Networking and Applications, 2010

2009
Aggregation of Document Frequencies in Unstructured P2P Networks.
Proceedings of the Web Information Systems Engineering, 2009

Semantic relatedness hits bibliographic data.
Proceedings of the 11th ACM International Workshop on Web Information and Data Management (WIDM 2009), 2009

Omiotis: A Thesaurus-Based Measure of Text Relatedness.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2009

Using Temporal Language Models for Document Dating.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2009

Bandwidth-constrained distributed skyline computation.
Proceedings of the Eighth ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2009

Efficient and Robust Database Support for Data-Intensive Applications in Dynamic Environments.
Proceedings of the 25th International Conference on Data Engineering, 2009

AGiDS: A Grid-Based Strategy for Distributed Skyline Query Processing.
Proceedings of the Data Management in Grid and Peer-to-Peer Systems, 2009

Multidimensional routing indices for efficient distributed query processing.
Proceedings of the 18th ACM Conference on Information and Knowledge Management, 2009

Semantic-Based Temporal Text-Rule Mining.
Proceedings of the Computational Linguistics and Intelligent Text Processing, 2009

2008
Query Planning in the PORDaS P2P Database System.
J. Digit. Inf. Manag., 2008

On efficient top-k query processing in highly distributed environments.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2008

Schema-assisted peer selection for XML querying in unstructured P2P systems.
Proceedings of the Seventh ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2008

Robust aggregation in peer-to-peer database systems.
Proceedings of the 12th International Database Engineering and Applications Symposium (IDEAS 2008), 2008

RIPPNET: Efficient range indexing in peer-to-peer networks.
Proceedings of the Third IEEE International Conference on Digital Information Management (ICDIM), 2008

Skyline-based Peer-to-Peer Top-k Query Processing.
Proceedings of the 24th International Conference on Data Engineering, 2008

Improving Temporal Language Models for Determining Time of Non-timestamped Documents.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2008

PROQID: partial restarts of queries in distributed databases.
Proceedings of the 17th ACM Conference on Information and Knowledge Management, 2008

Peer-to-peer similarity search over widely distributed document collections.
Proceedings of the Proceeding of the 2008 ACM Workshop on Large-Scale Distributed Systems for Information Retrieval, 2008

2007
DESENT: decentralized and distributed semantic overlay generation in P2P networks.
IEEE J. Sel. Areas Commun., 2007

Context-based caching and routing for P2P web service discovery.
Distributed Parallel Databases, 2007

Query planning in P2P database systems.
Proceedings of the Second IEEE International Conference on Digital Information Management (ICDIM), 2007

2006
Creating Synthetic Temporal Document Collections for Web Archive Benchmarking.
Proceedings of the Advances in Web Intelligence and Data Mining, 2006

Granularity reduction in temporal document databases.
Inf. Syst., 2006

The SOWES approach to P2P web search using semantic overlays.
Proceedings of the 15th international conference on World Wide Web, 2006

DyST: Dynamic and Scalable Temporal Text Indexing.
Proceedings of the 13th International Symposium on Temporal Representation and Reasoning (TIME 2006), 2006

Peer-to-Peer Clustering for Semantic Overlay Network Generation.
Proceedings of the Pattern Recognition in Information Systems, 2006

Schema Caching for Improved XML Query Processing in P2P Systems.
Proceedings of the Sixth IEEE International Conference on Peer-to-Peer Computing (P2P 2006), 2006

Mining Association Rules in Temporal Document Collections.
Proceedings of the Foundations of Intelligent Systems, 16th International Symposium, 2006

Taxonomy Caching: A Scalable Low-CostMechanism for Indexing Remote Contents in Peer-to-Peer Systems.
Proceedings of the ACS/IEEE International Conference on Pervasive Services 2006, 2006

Scalable Semantic Overlay Generation for P2P-Based Digital Libraries.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2006

DASCOSA: Database Support for Computational Science Applications.
Proceedings of the 17th International Workshop on Database and Expert Systems Applications (DEXA 2006), 2006

2005
News Item Extraction for Text Mining inWeb Newspapers.
Proceedings of the 2005 International Workshop on Challenges in Web Information Retrieval and Integration (WIRI 2005), 2005

Improving Space-Efficiency in Temporal Text-Indexing.
Proceedings of the Database Systems for Advanced Applications, 2005

Query Operators in Temporal XML Databases.
Proceedings of the Encyclopedia of Database Technologies and Applications, 2005

2004
The Vagabond Approach to Logging and Recovery in Transaction-Time Temporal Object Database Systems.
IEEE Trans. Knowl. Data Eng., 2004

Buffer performance modeling in the context of unclustered index accesses with non-uniform access pattern.
Inf. Sci., 2004

The design, implementation, and performance of the V2 temporal document database system.
Inf. Softw. Technol., 2004

Supporting temporal text-containment queries in temporal document databases.
Data Knowl. Eng., 2004

Rapid XML Database Application Development.
Proceedings of the ICEIS 2004, 2004

2003
The V2 Temporal Document Database System.
Proceedings of the Twelfth International World Wide Web Conference - Posters, 2003

MobiShare: Sharing Context-Dependent Data and Services from Mobile Sources.
Proceedings of the 2003 IEEE / WIC International Conference on Web Intelligence, 2003

V2: A Database Approach to Temporal Document Management.
Proceedings of the 7th International Database Engineering and Applications Symposium (IDEAS 2003), 2003

TeXOR: Temporal XML Database on an Object-Relational Database System.
Proceedings of the Perspectives of Systems Informatics, 2003

Space-Efficient Support for Temporal Text Indexing in a Document Archive Context.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2003

2002
A study of object declustering strategies in parallel temporal object database systems.
Inf. Sci., 2002

Signature caching in parallel object database systems.
Inf. Softw. Technol., 2002

Temporal query operators in XML databases.
Proceedings of the 2002 ACM Symposium on Applied Computing (SAC), 2002

Algorithms for Temporal Query Operators in XML Databases.
Proceedings of the XML-Based Data Management and Multimedia Engineering, 2002

2001
Issues in Transaction-Time Temporal Object Database Systems.
J. Database Manag., 2001

Fine-granularity signature caching in object database systems.
Data Knowl. Eng., 2001

Object and Log Management in Temporal Log-Only Object Database Systems.
Proceedings of the Advances in Databases and Information Systems, 2001

2000
A Performance Evaluation of Log-Only Temporal Object Database Systems.
Proceedings of the 12th International Conference on Scientific and Statistical Database Management, 2000

The Vagabond Temporal OID Index: An Index Structure for OID Indexing in Temporal Object Database Systems.
Proceedings of the 2000 International Database Engineering and Applications Symposium, 2000

A Comparative Study of Log-Only and In-Place Update Based Temporal Object Database Systems.
Proceedings of the 2000 ACM CIKM International Conference on Information and Knowledge Management, 2000

Design Issues in Transaction-Time Temporal Object Database Systems.
Proceedings of the Current Issues in Databases and Information Systems, 2000

Main-Memory Management in Temporal Object Database Systems.
Proceedings of the Current Issues in Databases and Information Systems, 2000

1999
The Persistent Cache: Improving OID Indexing in Temporal Object-Oriented Database Systems.
Proceedings of the VLDB'99, 1999

Efficient Use of Signatures in Object-Oriented Database Systems.
Proceedings of the Advances in Databases and Information Systems, 1999

1998
Optimizing OID Indexing Cost in Temporal Object-Oriented Database Systems.
Proceedings of the 5th International Conference of Foundations of Data Organization (FODO'98), 1998

An Analytical Study of Object Identifier Indexing.
Proceedings of the Database and Expert Systems Applications, 9th International Conference, 1998

1997
Write Optimized Object-Oriented Database Systems.
Proceedings of 17th International Conference of the Chilean Computer Science Society (SCCC '97), 1997

Log-Only Temporal Object Storage.
Proceedings of the Eighth International Workshop on Database and Expert Systems Applications, 1997

Improved and Optimized Partitioning Techniques in Database Query Processing.
Proceedings of the Advances in Databases, 15th British National Conferenc on Databases, 1997

Concurrency Control in Distributed Object-Oriented Database Systems.
Proceedings of the First East-European Symposium on Advances in Databases and Information Systems (ADBIS'97), 1997


  Loading...